Choose the correct answer

GIÚP VS ẠAAAAAAAAAAA
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1. The more he practices, the more fastly he runs.
A. more
B. practices
C. more fastly
D. runs

2. We met a local guide who explained the history and significant of Cu Chi Tunnels.
A. met
B. who
C. explained
D. significant

3. Vietnamese coffee, to whom many people are addicted, is a strong and delicious brew.
A. Vietnamese
B. whom
C. are addicted
D. a strong

4. The Mekong Delta is one of the most fertile region in Southeast Asia that produces a wide variety of fruits.
A. The
B. one of the
C. region
D. that produces

5. My friends and I haven't decided what do for the weekend yet.
A. My friends and I
B. haven't decided
C. do
D. yet